Shindaiwa 80732 User manual

Brand: Shindaiwa

Model: 80732

Category: Engine

Type: User manual

This manual is also suitable for

SHINDAIWA OWNER’S/

OPERATOR'S MANUAL

PB2500 PowerBroom娃

WARNING!

Minimize the risk of

injury to yourself

and others! Read

this manual and

familiarize yourself

with the contents.

Always wear eye

and hearing

protection when

operating this unit.

Part Number 80732 Rev. 4/03

䊛

ENGLISH

Throughout this manual are special

attention statements.

WARNING!

A statement preceded by the triangular

attention symbol and the word “WARN-

ING” contains information that should

be acted upon to prevent serious bodily

injury.

CAUTION!

A statement preceded by the word

“CAUTION” contains information that

should be acted upon to prevent

mechanical damage.

IMPORTANT!

A statement preceded by the word

“IMPORTANT” is one that possesses

special significance.

NOTE:

A statement preceded by the word

“NOTE” contains information that is

handy to know and may make your job

easier.

Attention Statements

IMPORTANT!

The operational procedures described in

this manual are intended to help you get

the most from this unit as well as to

protect you and others from harm.

These procedures are guidelines for

safe operation under most conditions,

and are not intended to replace any

safety rules and/or laws that may be in

force in your area. If you have questions

regarding your Shindaiwa power tool, or

if you do not understand something in

this manual, your Shindaiwa dealer will

be glad to assist you. You may also

contact Shindaiwa Inc. at the address

printed on the back of this manual.

Introduction

PAGE

Shindaiwa 2500-series hand held

power equipment has been designed and

built to deliver superior performance and

reliability without compromise to quality,

comfort, safety or durability.

Shindaiwa’s high-performance engines

represent the leading edge of all position

4-cycle engine technology, delivering

exceptionally high power with remark-

ably low displacement and weight. As an

owner/operator, you’ll soon discover for

yourself why Shindaiwa is simply in a

class by itself!

IMPORTANT!

The information contained in this

owner's/operator's manual describes

units available at the time of publication.

Shindaiwa Inc. reserves the right to

make changes to products without prior

notice, and without obligation to make

alterations to units previously manufac-

tured.

Attention Statements................................ 2

Safety Information .................................... 3

Checking Unit Condition......................... 3

Safety Labels ............................................. 5

Unit Description ....................................... 6

Specifications ............................................ 6

Assembly ................................................... 7

Engine Fuel ............................................. 10

Starting the Engine ................................ 11

Stopping the Engine............................... 11

Adjusting Engine Idle ............................ 12

Using the PowerBroom ......................... 12

Maintenance ........................................... 13

Long Term Storage ................................ 16

Accessories ............................................. 16

Troubleshooting Guide ......................... 17

Emission System Warranty ................... 19

WARNING!

The engine exhaust from this unit

contains chemicals known to the

State of California to cause cancer,

birth defects or other reproductive

harm.

Contents

Read and follow this

operators manual.

Failure to do so could

result in serious injury.

Do not operate this tool

if you are tired, ill or

under the influence of

alcohol, drugs, or

medication.

Beware of thrown

objects. Keep bystanders

at least 50 feet (15 m)

away during operation.

Wear eye and hearing

protection at all times

during the operation

of this unit.

ENGLISH

Work Safely

PowerBrooms operate at very high speeds

and can do serious damage or injury if they

are misused or abused. Never allow a

person without training or instruction to

operate this unit!

WARNING!

Use Good Judgment

NEVER run the engine when trans-

porting the unit.

NEVER run the engine indoors! Make

sure there is always good ventilation.

Fumes from engine exhaust can cause

serious injury or death.

ALWAYS use the proper tool for the

job.

ALWAYS stop the unit immediately if

it suddenly begins to vibrate or shake.

Inspect for broken, missing or improp-

erly installed parts or attachments.

NEVER operate this unit on elevated

surfaces or roofs.

ALWAYS keep the unit as clean as

practical. Keep it free of loose vegeta-

tion, mud, etc.

ALWAYS hold the unit firmly with

both hands when sweeping, and

maintain control at all times.

ALWAYS keep the handles clean.

ALWAYS disconnect the spark plug

wire before performing any

maintenance work.

Stay Alert

You must be physically and mentally fit to

operate this unit safely.

General Safety Instructions

WARNING!

Never make unauthorized attachment

installations.

WARNING!

Never operate power equipment of

any kind if you are tired or if you are

under the influence of alcohol, drugs,

medication or any other substance

that could affect your ability or

judgement.

WARNING!

Minimize the Risk of Fire

NEVER smoke or light fires near the

unit.

ALWAYS stop the engine and allow it

to cool before refueling. Avoid over-

filling and wipe off any fuel that may

have spilled.

ALWAYS inspect the unit for fuel

leaks before each use. During each

refill, check that no fuel leaks from

around the fuel cap and/or fuel tank. If

fuel leaks are evident, stop using the

unit immediately. Fuel leaks must be

repaired before using the unit.

ALWAYS move the unit to a place well

away from a fuel storage area or other

readily flammable materials before

starting the engine.

NEVER place flammable material

close to the engine muffler.

NEVER run the engine without the

spark arrester screen in place.

Checking Unit Condition

NEVER operate the unit with the

protective devices (ignition switch, etc.)

removed!

ALWAYS use authorized Shindaiwa parts

and accessories with your Shindaiwa

PowerBroom. Do not make modifications

to this unit without the written approval of

Shindaiwa, Inc.

ALWAYS make sure the sweeper drums

are properly installed before operation.

NEVER use a cracked or warped

PowerBroom drum or axle: replace it with

a servicable one.

ALWAYS stop the engine immediately

and check for damage if you strike a

foreign object or if the unit becomes

tangled. Do not operate with broken or

damaged equipment.

NEVER allow the engine to run at high

RPM without a load. Doing so could

damage the engine.

NEVER operate a unit with worn or

damaged fasteners or attachments.

ENGLISH

PB01

The Properly Equipped Operator

Always wear respiratory

protection to avoid

breathing airborne debris.

Always operate with

both hands firmly

gripping the unit.

Wear close-fitting clothing

to protect legs and arms.

Gloves offer added

protection and are

strongly recommended.

Do not wear clothing or

jewelry that could get

caught in machinery

or underbrush. Secure

long hair so that it is

above shoulder level.

NEVER wear shorts!

Wear hearing protection devices at all times

while operating the unit.

Always wear eye protection

such as goggles or safety

glasses to shield against thrown

objects.

Keep away from the rotating

sweeper belts or bristles at all

times, and never lift a moving

attachment above waist-high.

Wear appropriate footwear (non-skid

boots or shoes): do not wear open-

toed shoes or sandals. Never work

barefooted!

Keep a proper footing and do not

overreach. Maintain your balance at all

times during operation.

PB02

Be Aware of the Working Environment

Avoid long-term

operation in very hot or

very cold weather.

Be aware and keep

clear of bystanders.

Be extremely careful of

slippery terrain, especially

during rainy weather or

when pulling debris

towards you.

If contact is

made with a

hard object,

stop the

engine and

inspect the

sweepers and

drums for

damage.

Be constantly alert for objects and debris

that could be thrown either from the

sweeper belts or bounced from a hard

surface.

ALWAYS clear your work area of trash or

hidden debris that could be thrown back at

you or toward a bystander. When operating

in rocky terrain or near electric wires or

fences, use extreme caution to avoid

contacting such items with the sweeper

belts.

Figure 1

Figure 2

ENGLISH

PB03

Figure 3

Safety Labels

IMPORTANT!

Safety and Operation Information

Labels: Make sure all information

labels are undamaged and readable.

Immediately replace damaged or

missing information labels. New

labels are available from your local

authorized Shindaiwa dealer.

PB2500

This label indicates the minimum

distance between front handle

and rear grip per ANSI B175.3.

POSITION HANDLE

FORWARD OF THIS LINE

READ THE

OPERATOR’S MANUAL.

WEAR HEARING AND ANSI Z87.1

APPROVED EYE PROTECTION.

BEWARE OF THROWN

DIRT AND DEBRIS.

MAINTAIN A

SHALLOW

WORKING

ANGLE…

DO NOT USE ON UNGUARDED

ELEVATED SURFACES.

…AVOID MOVING TOWARD

VERTICAL.

80267Shindaiwa Inc.

ENGLISH

Specifications

PB2500 Dry Weight (less sweepers) ............................................................ 4.7 kg/10.4 lb.

PB2500 Dry Weight (Including sweepers) .................................................. 9.5 kg/21.0 lb.

Engine Model ........................................................................................ Shindaiwa SF2500E

Engine Type ..................................................... Shindaiwa C4, vertical-cylinder, air-cooled

Bore x Stroke .................................................................................. 34 x 27 mm/1.3 x 1.1 in.

Displacement ............................................................................................. 24.5 cc/1.5 cu. in.

Maximum Power Output .......................................... 1.1 HP (0.8 kW) @ 7500 rpm (min

-1

)

Fuel/Oil Ratio ........................................ 50:1 with Shindaiwa Premium 2-cycle mixing oil

Fuel Tank Capacity ....................................................................................... 600 ml/20.3 oz.

Carburetor Type ................................................................... Walbro WYL, diaphragm-type

Ignition ............................................................. One-piece electronic, transistor-controlled

Spark Plug ......................................................................................................... NGK CMR6H

Air Cleaner Type ..................................................... Non-reversible flocked filter element

Starting Method ............................................................................................................ Recoil

Stopping Method ................................................................................................. Slide switch

Transmission Type ............................................ Automatic, centrifugal clutch w/worm gear

EPA Emission Compliance Period* ................................................................... Category A

Prior to Assembly

Before assembling, make sure you have

all the components required for a com-

plete unit:

■ Engine assembly

■ Outer tube assembly

■ Drum kit w/gearcase

■ Correct operators handle (see preced-

ing page)

■ Kit containing operator’s handle and

hardware, this manual and tool kit for

routine maintenance. Tool kits vary by

model and may include a hex wrench,

spanner and a combination spark plug

wrench/screwdriver.

Carefully inspect all components for

damage.

IMPORTANT!

The terms “left”, “left-hand”, and “LH”;

“right”, “right-hand”, and “RH”; “front”

and “rear” refer to directions as viewed

by the operator during normal operation.

*Specifications are subject to change without notice.

*The EPA emission compliance period referred to on the emission compliance label located on the engine, indicates the

number of operating hours for which the engine has been shown to meet Federal emission requirements. Category C = 50

hours (Moderate), B = 125 hours (Intermediate) and A = 300 hours (Extended)

PB03

Unit Description

Outer Tube

Grip

Using the accompanying illustrations as a

guide, familiarize yourself with this unit

and its various components. Understand-

ing the product helps ensure top perform-

ance, long service life, and safer opera-

tion. See Figure 4.

WARNING!

Do not make unauthorized modifica-

tions or alterations to this unit or

components.

Gearcase

Throttle

Trigger

Tank

Protector

Figure 4

Ignition

Switch

Spark

Plug

Fuel

Tank

Sweeper

Belt

Sweeper

Drum

Handle

ENGLISH

PB2500.08

PB2500.04

PB08

Grip

Spark

Plug

Main

Shaft

Tube

Clamp

Outer Tube

PB2500 PowerBroom

1. Place the powerhead on a clean, flat

surface, spark plug facing up.

See Figure 5.

2. Use the 4mm hex wrench to loosen

the tube clamp screw. Verify that the

D-shaped shim washer is positioned as

shown in Figure 6.

Tube

Clamp

Shim

Washer

CAUTION!

Do not remove the D-shaped shim

washer! The shim washer prevents

damage from overtightening the tube

clamp screw.

Connect the Outer Tube to the

Powerhead

CAUTION!

Do not force the shaft tube into the

powerhead! Excessive force can

damage the shaft tube or mainshaft.

Clamp

Screw

Figure 5

Figure 6

Assembly: Mainshaft/Powerhead

Throttle

Trigger

Ignition

Switch

Hex

Wrench

3. Add some moly-type EP grease to the

splines on the end of the mainshaft.

4. Slide the outer tube into the tube

clamp until the tube bottoms.

5. Position the outer tube so that the

ignition switch is facing up and the

throttle trigger is down.

6. Slide the outer tube into the power-

head until the throttle grip just

contacts the tube clamp.

7. Tighten the clamp screw firmly.

Assembly: Throttle Linkage and Ignition Leads

Connect the Throttle Cable

1. Loosen the air cleaner cover knob and

remove the air cleaner cover.

See Figure 7.

2. Slip the throttle cable into the cable

adjuster and hook the bullet end of the

cable onto the swivel. See Figure 8.

Connect the Ignition Leads

3. Connect the two ignition wires by

pushing the bullet connectors

together. See Figure 9.

4. Reinstall the air cleaner cover.

Connect the throttle

cable

Ignition

Lead

Figure 8

PB2500.05

PB2500.06

Figure 7

Throttle

Cable

Adjuster

Filter

Cover

Figure 9

Cable Swivel

CAUTION!

Routing of wiring must not interfere

with throttle operation.

ENGLISH

PB2500.10

PB10

Assembly: Handle

Handle

Hex Nut

Outer Tube

Adjustment

Knob

Mounting

Screw

Throttle

Assembly

Washer

Connect the Handle to the Outer Tube

Figure 13

PB2500.09

3/16-1/4 inch (4-6 mm)

Throttle Freeplay

Assembly: Adjust Throttle Lever Free Play

1. Loosen the air cleaner cover knob

and remove the air cleaner cover.

See Figure 11.

2. Loosen the lock nut on the cable

adjuster. See Figure 12.

PB2500.05

Cable

Adjuster

Figure 11

Figure 12

The throttle lever free play should be

approxiamtely 3/16-1/4 inch(4-6 mm).

See Figure 10. Make sure that the throttle

lever operates smoothly without binding.

If it becomes necessary to adjust the lever

freeplay, follow the procedures and

illustrations that follow.

Figure 10

3. Turn the cable adjuster in or out as

required to obtain proper free play

3/16-1/4 inch(4-6 mm).

See Figure 12.

4. Tighten the locknut.

Lock

Nut

5. Reinstall the air cleaner cover.

1. Remove both screws from the handle.

2. While spreading the handle at the

mounting hole, position the handle on

the outer tube as shown.

3. Reinstall the two mounting screws in

the handle, but do not tighten them at

this time.

IMPORTANT!

One side of the handle is recessed to

receive the hex nuts.

4. Locate the handle at the best position

for operator comfort (usually about 10

inches ahead of the throttle lever), and

secure it by tightening the knob at the

handle base.

ENGLISH

Assembly: Gearcase and Sweeper Assembly

PB17

CAUTION!

The two drum assemblies are

identical, but each drum must be

installed with its recessed end facing

toward the gearcase.

The PB2500 PowerBroom should now be completely assembled.

Install drum axle

onto output shaft

Drum Axle

Cotter Pin

Hitch Pin

Secure the drum axle to

the shaft with the clevis pin

Install the sweeper

drum assembly

Drum Assembly

Secure

with a

cotter pin

Figure 14

1. Insert the end of the outer tube into

the gearcase and push until it bottoms.

The outer tube should go into the

gearcase about 1-1/2 in. (38 mm). If

the outer tube stops before bottoming,

rotate it until you feel the inner

mainshaft (driveshaft) splines engage

the gearcase. Then push the outer

tube all the way in. See Figure 14.

2. Rotate the gearcase assembly so that

the index screw aligns with hole in the

outer tube.

3. Use a 4 mm hex wrench to tighten the

gearcase index screw first, then the

gearcase clamp screw.

4. Push one of the drum axles onto either

of the two gearcase output shafts. If

necessary, rotate the drum axle until

the clevis pin hole in the axle aligns

with the matching hole in the gearcase

output shaft.

5. Use a clevis pin and hitch pin to secure

the drum axle to the shaft.

6. Slide the recessed end of a sweeper

drum assembly over the installed axle,

and then push the drum down the axle

until the cotter pin hole in the axle

extends above the drum surface.

Install outer tube into

the gearcase

Index Screw

Clamp

Screw

7. Use a cotter pin to secure the drum

assembly on the axle (see inset). The

cotter pin is designed to fit tightly

against the outboard end of the drum,

so you may need to compress the

drum face slightly during installation.

Spread the ends of the cotter pin to

secure.

8. Repeat Steps 4-7 to install the remain-

ing axle and drum assembly.

ENGLISH

Mixing Fuel

1. Place the PowerBroom on a flat, level

surface.

2. Clear any dirt or other debris from

around the fuel filler cap.

3. Remove the fuel cap, and fill the tank

with clean, fresh fuel.

4. Reinstall the fuel filler cap and tighten

firmly.

Filling the Fuel Tank

CAUTION!

Some gasolines contain alcohol as an

oxygenate! Oxygenated fuels may

cause increased operating tempera-

tures. Under certain conditions,

alcohol-based fuels may also reduce

the lubricating qualities of some

mixing oils. Never use any fuel

containing more than 10% alcohol by

volume!

Generic oils and some outboard

motor oils may not be intended for

use in high-performance air cooled 2-

cycle engines, and should never be

used in your Shindaiwa engine!

CAUTION!

This engine is designed to operate on

a 50:1 mixture consisting of unleaded

gasoline and a premium 2-cycle

mixing oil only. Use of non-approved

mixing oils can lead to excessive

maintenance costs and/or engine

damage.

■ Use only fresh, clean unleaded

gasoline with a pump octane rating of

87 or higher.

■ Mix gasoline with 50:1 Shindaiwa

Premium 2-cycle mixing oil or with an

equivalent high quality 2-cycle mixing

oil.

Example of 50:1 mixing quantites:

■ 1 gallon of gasoline to 2.6 oz. mixing

oil.

■ 5 liters of gasoline to 100 ml. mixing

oil.

IMPORTANT!

Mix only enough fuel for your immediate

needs! If fuel must be stored longer than

30 days and Shindaiwa One oil with fuel

stabilizer is not used, it should first be

treated with a fuel stabilizer such as

StaBil™.

WARNING!

Minimize the risk of fire!

■ STOP the engine before refueling.

■ ALWAYS allow the unit to cool

before refueling!

■ Wipe all spilled fuel and move the

unit at least 10 feet (3 meters) from

the fueling point before restarting!

■ NEVER start or operate this unit if

there is a fuel leak.

■ NEVER start or operate this unit if

the carburetor, fuel lines, fuel tank

and/or fuel tank cap are damaged.

■ NEVER smoke or light any fires

near the unit or fuels!

■ NEVER place any flammable

material near the engine muffler!

■ NEVER operate the engine without

the muffler and spark arrester in

place and properly

functioning!

WARNING!

BURN DANGER! The gearcase will

become very hot during normal

operation.

The PowerBroom works best when its

rubber fins can quickly slide or “skim”

over the surface being swept.

New or replacement sweeper belts

tend to grip or drag on hard surfaces, and

should be thoroughly broken in or

“scuffed” before the broom is actually put

to work.

Break-in is easily accomplished by

operating the PowerBroom at full throttle

for 3 to 5 minutes in loose gravel or

similar abrasive material. Once broken in,

a PowerBroom will effortlessly move an

amazing variety of materials, ranging

from snow or standing water to heavier

objects such as gravel or wood chips.

Experience will help you understand

the operating principles of the

PowerBroom, but safe operation must be

practiced from the start.

Break-in and Operation

ENGLISH

PB2500.11

Starting the Engine

1. Slide the ignition switch to the “I”

position (engine ON).

2. Press the primer bulb until fuel can be

seen flowing in the transparent return

tube.

Primer Bulb

Return

Tube

IMPORTANT!

Engine ignition is controlled by a two

position switch mounted on the throttle

housing labeled, "I" for ON or START

and "O" for OFF or STOP.

Figure 15

Figure 16

IMPORTANT!

The primer system only pushes fuel

through the carburetor. Repeatedly

pressing the primer bulb will not flood

the engine with fuel.

PB18

PB2500.13

PB2500.1

3. Set the choke lever to the CLOSED

position if engine is cold.

Make sure the

sweeper belts

are clear of

obstructions!

Figure 17

Closed

4. While holding the outer tube firmly

with left hand. Use your other hand to

slowly pull the recoil starter handle

until resistance is felt, then pull

quickly to start the engine.

Figure 18

CAUTION!

Do not pull the recoil starter to the

end of the rope travel. Pulling the

recoil starter to the end of the rope

travel can damage the starter.

Idle the engine briefly before stopping

(about 2 minutes), then slide the ignition

switch to the “O” (Engine OFF) position.

Stopping the Engine

Figure 20

WARNING!

Never start the engine from the

operating position.

WARNING!

The sweeper belts may rotate when

the engine is started!

When the Engine Starts...

■ After the engine starts, allow the

engine to warm up at idle 2 or 3

minutes before operating the unit.

■ After the engine is warm, pick

up the unit and clip on the shoulder

strap if so equipped. See page 16.

■ Advancing the throttle makes the

sweeper belts turn faster; releasing the

throttle permits the attachment to stop

turning. If the sweeper belts continue

to rotate when the engine returns to

idle, carburetor idle speed should be

adjusted (see the next page).

IMPORTANT!

If the engine fails to start after several

attempts with the choke in the closed

position, the engine may be flooded with

fuel. If flooding is suspected, move the

choke lever to the open position and

repeatedly pull the recoil starter to

remove excess fuel and start the engine.

If the engine still fails to start, refer to the

troubleshooting section of this manual

(Starting a flooded engine).

5. When the engine starts, slowly move

the choke lever to the "OPEN"

position. See Figure 19. (If the engine

stops after the initial start, close the

choke and restart.)

Figure 19

Open

PB2500.14

PB19

ENGLISH

PB22

Operating Techniques

Operate the PowerBroom at or near full

throttle with its sweeper fins resting on

the work surface.

IMPORTANT!

It is both tiring and unnecessary to lift or

hold the fins from the work surface

during sweeping.

When sweeping narrow areas such as

sidewalks, the PowerBroom can be used

to throw material directly ahead of the

operator. Clearing wider areas may

require sweeping at an angle to create

windrows to one side of the path being

cleared.

Windrows of lighter materials often

can be combined into one main row or

pile for eventual pickup, while heavy or

bulky material may need to be collected

row-by-row. See Figure 22.

DIRECTION OF

ROTATION

Sweeping corners

with the

PowerBroom

upside down

Sweeping Windrows

Adjustment

Knob

WARNING!

Reversing the PowerBroom will cause

debris to be thrown back toward the

operator. When reversing the

PowerBroom, use lower throttle

settings and be aware that thrown

debris may also affect your footing!

…loosen the

adjustment knob to

reverse the handle.

For long-term inverted

operation…

Figure 22

Figure 23

Figure 24

To pull debris from corners, reverse

sweeper drum rotation by turning the

powerhead over (throttle facing “up”).

See Figures 23 and 24.

Adjusting Engine Idle

PB2500.16

Figure 21

Idle Adjusting

Screw

The engine must return to idle speed

whenever the throttle lever is released.

Idle speed is adjustable, and must be set

low enough to permit the engine clutch

to disengage the cutting attachment.

Idle Speed Adjustment

WARNING!

The cutting attachment must NEVER

rotate at engine idle! If the idle speed

cannot be adjusted by the procedure

described here, return the trimmer to

your Shindaiwa dealer for inspection.

1. Place the trimmer on the ground, then

start the engine, and then allow it to

idle 2-3 minutes until warm.

2. If the attachment rotates when the

engine is at idle, reduce the idle speed

by turning the idle adjustment screw

counter-clockwise.

See Figure 21.

3. If a tachometer is available, the engine

idle speed should be final adjusted to

3,200 (±300) rpm (min

-1

NOTE:

Carburetor fuel mixture adjustments are

preset at factory and cannot be serviced

in the field.

ENGLISH

IMPORTANT!

MAINTENANCE, REPLACEMENT OR

REPAIR OF EMISSION CONTROL

DEVICES AND SYSTEMS MAY BE

PERFORMED BY ANY REPAIR ESTAB-

LISHMENT OR INDIVIDUAL; HOW-

EVER, WARRANTY REPAIRS MUST BE

PERFORMED BY A DEALER OR

SERVICE CENTER AUTHORIZED BY

SHINDAIWA KOGYO CO., LTD. THE

USE OF PARTS THAT ARE NOT

EQUIVALENT IN PERFORMANCE AND

DURABILITY TO AUTHORIZED PARTS

MAY IMPAIR THE EFFECTIVENESS

OF THE EMISSION CONTROL SYSTEM

AND MAY HAVE A BEARING ON THE

OUTCOME OF A WARRANTY CLAIM.

Muffler

This unit must never be operated with a

faulty or missing spark arrester or muffler.

Make sure the muffler is well secured and

in good condition. A worn or damaged

muffler is a fire hazard and may also cause

hearing loss.

Spark Plug

Keep the spark plug and wire connec-

tions tight and clean.

Fasteners

Make sure nuts, bolts, and screws

(except carburetor adjusting screws) are

tight.

Prior to each work day, perform the

following:

■ Remove all dirt and debris from the

engine, check the cooling fins and air

cleaner for clogging, and clean as

necessary.

■ Carefully remove any accumulations of

dirt or debris from the muffler and fuel

tank. Dirt build-up in these areas can

lead to engine overheating, fire, or

premature wear.

General Maintenance

WARNING!

Before performing any maintenance,

repair or cleaning work on the unit,

make sure the engine and sweeper

belts are completely stopped. Discon-

nect the spark plug wire before

performing service or maintnenance

work.

WARNING!

Non-standard parts may not operate

properly with your unit and may

cause damage and lead to personal

injury.

Daily Maintenance

■ Check for loose or missing screws or

components. Make sure the sweeper

drums are securely fastened.

■ Check the entire unit for leaking fuel

or grease.

10-Hour Maintenance

PB2500.17

Unscrew

Fastener

Remove and clean

or replace

the element

Every 10 hours of operation (more

frequently in dusty or dirty conditions):

Remove the air cleaner element.

See Figure 25. Clean or replace as

necessary. To clean element: wash it

thoroughly in soap and water. Let it

dry before reinstalling the element.

CAUTION!

Do not operate the unit if the air

cleaner or element is damaged, or if

the element is wet.

Figure 25

ENGLISH

50-hour Maintenance

Every 50 hours of operation

(more frequently in dusty or dirty condi-

tions):

■ Remove and clean the cylinder cover

and clean grass and dirt from the

cylinder fins.

■ Use a hooked wire to extract the fuel

filter from inside the fuel tank. Remove

and replace the filter element. Before

reinstalling the filter, inspect the

condition of the fuel line. If damage or

deterioration are noted, the unit should

be removed from service until it can be

inspected by a Shindaiwa-trained

service technician. See Figure 27.

CAUTION!

Make sure you do not pierce the fuel

line with the end of the hooked wire,

the line is delicate and can be

damaged easily.

PB2500.19

Filter Element

Hooked

Wire

Figure 27

PB23

PB2500.18

Every 10 to 15 hours of operation:

Remove and clean the spark plug. Adjust

the spark plug electrode gap to 0.024 -

0.028 inch (0.6 - 0.7 mm). If the spark plug

must be replaced, use only an NGK

CMR6H or equivalent resistor type spark

plug of the correct heat range.

See Figure 26.

CAUTION!

Before removing the spark plug,

clean the area around the plug to

prevent dirt and debris from getting

into the engine’s internal parts.

Clean the spark plug

and check the gap

at the electrode.

10/15-Hour Maintenance

0.024–0.028 inch

(0.6–0.7 mm)

Figure 26

NOTE:

The NGK CMR6H also meets the

requirements for electromagnetic

compliance (EMC).

135-hour or Annual Maintenance.

■ The valve clearance should be ad-

justed annually or every 135 hours. It

is highly recommended that this is

done by a Shindaiwa-trained service

technician.

■ Replace the spark plug annually: Use

only NGK CMR6H or equivalent

resistor type spark plug of the

correct heat range. Set spark plug

electrode gap to 0.024-0.028 inch

(0.6 -0.7 mm).

NOTE:

The NGK CMR6H also meets the

requirements for electromagnetic

compliance (EMC).

ENGLISH

PB2500.20

Spark Arrester Screen Maintenance.

If the engine becomes sluggish and low

on power, check and clean the spark

arrester screen.

WARNING!

Never operate the unit with a dam-

aged or missing muffler or spark

arrester! Operating with a missing or

damaged spark arrester is a fire

hazard and could also damage your

hearing.

1. With a 3 mm hex wrench remove the

4 engine cover screws and the engine

cover. See Figure 28.

2. With a 4 mm hex wrench remove the

3 muffler bolts and the muffler.

See Figure 28.

3. With a small flat bladed screwdriver

remove the 2 screws holding the

spark arrester screen and cover to

the muffler. See Figure 28.

IMPORTANT!

If you note excessive carbon buildup,

consult with an authorized Shindaiwa

servicing dealer.

4. Remove the screen and clean it with a

stiff bristle brush.

5. Inspect the cylinder exhaust port for

any carbon buildup.

6. Reassemble the spark arrester, muffler

and engine cover in the reverse order

of disassembly.

Figure 28

Muffler

Bolts

Spark Arrester

Screen

Cover

Cover Screws

Muffler

Gasket

Engine Cover

Screws

Muffler

Spark Arrester

Cover

PB2500.21

PB2500.22

Replacing the gearcase oil

WARNING!

BURN DANGER! The gearcase will

be extremely hot after use!

300-hour Maintenance

Gearcase Lubrication

The gearcase should be filled with 60 cc

(2.0 fl.oz.) of Mobil SHC634 Synthetic

Gear Oil. A maximum of 75-80 cc can be

used, but never to exceed 80 cc. Opera-

tion with excessive oil level will result in

high operating temperatures. Do not

overfill!

Figure 29

Fill to

this level

correct oil depth is 5/8" (15.5 mm).

See Figure 30. DO NOT OVERFILL!

6. Inspect the sideplate for damage and

clean off all remaining liquid gasket

material with brake cleaner or acetone.

Coat the outer sealing flange of the

sideplate with Loctite Ultragrey Silicon

Sealant or Threebond No. 1104

Liquid Gasket.

7. Replace the cover and install the four

sideplate screws. Tighten securely.

8. Reinstall the drum and axle assembly

per the sweeper assembly instructions.

See page 9.

Figure 30

1. Disconnect spark plug wire at engine.

2. Remove the LH Drum and axle

assembly (as viewed from the operat-

ing position). Wipe the sideplate clean

and remove four screws (it is not

necessary to remove the gearcase

from the outer tube).

3. Turn gearcase side plate to break the

seal and lift the plate from the gear-

case. See Figure 29.

NOTE:

It may be necessary to use a heat gun to

soften the sealer material.

4. Turn the gearcase to the LH side and

allow all used gearcase oil to drain into

a small container and properly dispose

of as in accordance with your local

regulations.

5. Place the gearcase on the RH side and

supported so the outer tube is parallel

to the ground. Refill the gearcase with

60 cc (2.0 fl.oz) of Mobil SHC634

Synthetic Gear Oil to the bottom of the

chamfer on the output gear. The

WARNING!

BURN DANGER! The engine will

become very hot during normal

operation. Let engine cool before

servicing.

ENGLISH

CAUTION!

Gasoline stored in the carburetor for

extended periods can cause hard

starting, and could also lead to

increased service and maintenance

costs.

Long Term Storage

Whenever the unit will not be used for 30

days or longer, use the following proce-

dures to prepare it for storage:

■ Clean external parts thoroughly.

■ Drain all the fuel from the carburetor

and the fuel tank.

IMPORTANT!

All stored fuels should be stabilized with

a fuel stabilizer such as

STA-BIL姞.

Remove remaining fuel from the fuel lines

and carburetor with the fuel drained from

the fuel tank.

1. Prime the primer bulb until no more

fuel is passing through.

2. Start and run the engine until it stops

running.

3. Repeat steps 1 and 2 until the engine

will no longer start.

■ Remove the spark plug and pour

about 1/4 ounce of 2-cycle mixing oil

into the cylinder through the spark

plug hole. Slowly pull the recoil starter

2 or 3 times so oil will evenly coat the

interior of the engine. Reinstall the

spark plug.

■ Before storing the unit, repair or

replace any worn or damaged parts.

■ Remove the air cleaner element from

the carburetor and clean it thoroughly

with soap and water, let dry and

reassemble the element.

■ Store the unit in a clean, dust-free area.

p/n 22410-17201 and 60840-98020

(optional)

Although a strap and hanger is not

required for use with a Shindaiwa

PB2500 PowerBroom, it is recom-

mended to reduce operator fatigue

during extended periods of operation.

Make sure all hooks and adjusting

devices are secure. Adjust the harness

shoulder strap so the shoulder pad

rests comfortably on the off-side

shoulder. See Figure 31.

Recommended

Strap and

Hanger

p/n 99909-33021 (optional)

PB25

A plastic debris shield is available from

your Shindaiwa dealer as a useful option

to your PowerBroom. The shield helps

prevent broadcasting debris when large

volumes of material are forced over the

top of the drum during operation.

See Figure 32.

Figure 31

Figure 32

Strap and Hanger Debris Shield

ENGLISH

Troubleshooting Guide

ENGINE DOES NOT START

Does the engine crank?

Faulty recoil starter.

Fluid in the crankcase.

Internal damage.

Consult with an authorized servicing dealer.

Good compression?

Loose spark plug.

Excess wear on cylinder, piston, rings.

Valves not seating.

Tighten and re-test.

YES

Does the tank contain

fresh fuel of the proper

grade?

Refill with fresh, clean unleaded gasoline with

a pump octane of 87 or higher mixed with

a 2-cycle air cooled mixing oil that meets or

exceeds ISO-L-EGD and/or JASO FC classified

oils at 50:1 gasoline/oil ratio.

Fuel incorrect, stale or contaminated;

mixture incorrect.

YES

Is fuel visible and moving

in the return line when

priming?

Check for clogged fuel filter and/or vent.

Priming pump not functioning properly.

Replace fuel filter or vent as required; restart.

Consult with an authorized servicing dealer.

Is there spark at the spark

plug wire terminal?

The ignition switch is in “O” (OFF)

position.

Shorted ignition circuit.

Faulty ignition unit.

Move switch to “I” (ON) position and restart.

YES

Check the spark plug.

If the plug is wet, excess fuel may be in

the cylinder.

The plug is fouled or improperly gapped.

The plug is damaged internally or of the

wrong size.

Crank the engine with the plug removed,

reinstall the plug, and restart.

Clean and regap the plug to 0.024 - 0.028

inch (0.6 - 0.7 mm). Restart.

Replace the plug with an NGK CMR6H or

equivalent resistor type spark plug of the

correct heat range. Set spark plug electrode

gap to 0.024-0.028 inch (0.6-0.7 mm).

YES

What To Check Possible Cause Remedy

LOW POWER OUTPUT

Is the engine overheating?

Operator is overworking the unit.

Carburetor mixture is too lean.

Improper fuel ratio.

Fan, fan cover, cylinder fins dirty

or damaged.

Carbon deposits on the piston or in

the muffler.

Apply less presure on the sweeper drums.

Consult with an authorized servicing dealer.

Refill with fresh, clean unleaded gasoline with a pump

octane of 87 or higher mixed with a 2-cycle air cooled

mixing oil that meets or exceeds ISO-L-EGD and/or

JASO FC classified oils at 50:1 gasoline/oil ratio.

Clean, repair or replace as necessary.

Consult with an authorized servicing dealer.

What To Check Possible Cause

Remedy

Engine is rough at all

speeds. May also have

black smoke and/or

unburned fuel at the

exhaust.

Clogged air cleaner element.

Loose or damaged spark plug.

Air leakage or clogged fuel line.

Water in the fuel.

Piston seizure.

Faulty carburetor and/or diaphragm.

Valve clearance set incorrectly.

Service the air cleaner element.

Tighten or replace.

Repair or replace filter and/or fuel line.

Replace the fuel. See page 10.

Consult with an authorized servicing dealer.

Engine is knocking.

Overheating condition.

Improper fuel.

Carbon deposits in the combustion

chamber.

Valve clearance set incorrectly.

See above.

Check fuel octane rating; check for presence of

alcohol in the fuel (pg. 10). Refuel as necessary.

Consult with an authorized servicing dealer.

ENGLISH

Troubleshooting Guide (continued)

ADDITIONAL PROBLEMS

Poor acceleration.

Clogged air filter.

Clogged fuel filter.

Lean fuel/air mixture.

Idle speed set too low.

Clogged spark arrester.

Clean the air filter.

Replace the fuel filter.

Consult with an authorized servicing dealer.

Adjust: 3,200 (Ⳳ300) rpm (min

-1

Clean spark arrester. (Pg. 15).

Symptom Possible Cause

Remedy

Engine stops abruptly.

Switch turned off.

Fuel tank empty.

Clogged fuel filter.

Water in the fuel.

Shorted spark plug or loose terminal.

Ignition failure.

Piston seizure.

Reset the switch and restart.

Refuel. See page 10.

Replace fuel filter.

Drain; replace with clean fuel. See page 10.

Clean and replace spark plug, tighten

the terminal.

Replace the ignition unit.

Consult with an authorized servicing dealer.

Engine difficult to shut off.

Ground (stop) wire is disconnected or

switch is defective.

Overheating due to incorrect spark plug.

Overheated engine.

Test and replace as required.

Idle engine until cool.

Clean and regap the plug to 0.024 - 0.028

inch (0.6 - 0.7 mm). Correct plug: NGK CMR6H

or equivalent resistor type spark plug of the

correct range.

Idle engine until cool.

Sweeping attachment

rotates at engine idle.

Engine idle too high.

Broken clutch spring or worn clutch

spring boss.

Loose attachment holder.

Set idle: 3,200 (Ⳳ300) rpm (min

-1

)

Replace spring/shoes as required, check

idle speed.

Inspect and re-tighten holders securely.

Engine will not idle down.

Engine idle set too high.

Engine has an air leak.

Set idle: 3,200 (Ⳳ300) rpm (min

-1

)

Consult with an authorized servicing dealer.

Top of engine is getting

dirty and oily.

Valve cover is leaking.

Consult with an authorized servicing dealer.

ADDITIONAL PROBLEMS

Symptom Possible Cause Remedy

Excessive vibration.

Warped or damaged sweeper attachment.

Loose gearcase.

Bent main shaft/worn or damaged

bushings.

Inspect and replace attachment as required.

Tighten gearcase securely.

Inspect and replace as necessary.

Sweeper belts will

not rotate.

Shaft not installed in powerhead or

gearcase.

Broken shaft.

Damaged gearcase.

Inspect and reinstall as required.

Consult with an authorized servicing dealer.

ENGLISH

Your Warranty Rights and

Obligations

The California Air Resources Board, the U.S. Environmental

Protection Agency and Shindaiwa Kogyo Co., Ltd. are pleased to

explain the emission control system warranty on your new small

off-road (non-road) engine.

In California, new small off-road engines must be designed,

built, and equipped to meet the State’s stringent anti-smog

standards. In other states, new 1997 and later non-road engines

must meet the Federal EPA’s stringent anti-smog standards.

Shindaiwa Kogyo Co., Ltd. must warrant the emission control

system on your small off-road engine for the periods of time

listed below, provided there has been no abuse, neglect, or

improper maintenance of your small off-road engine.

Your engine emission control system includes parts such as

the carburetor, the ignition system and, if equipped, the

catalytic converter. These components are specifically listed

below.

Where a warrantable condition exists, Shindaiwa Kogyo Co.,

Ltd. will repair your small off-road engine at no cost to you

including diagnosis, parts, and labor.

Manufacturer’s Warranty

Coverage

When sold within the U.S., this engine’s emission control

system is warranted for a period of two (2) years from the date

this product is first delivered to the original retail purchaser.

During the warranty period, Shindaiwa Kogyo Co., Ltd. will,

at their option, repair or replace any defective emission-related

component on this engine. During the original Warranty Period,

these Warranty Rights are automatically transferable to subse-

quent owners of this product.

What is Covered by this

Warranty

1. Carburetor Internal Components

■ Throttle Valve, Needle, Jet, Metering Diaphragm

2. Ignition System Components

■ Ignition Coil

■ Flywheel Rotor

3. Catalytic Converter (if originally equipped)

The emission control system for your particular Shindaiwa

engine may also include certain related hoses

and connectors.

Emission System Warranty Statement

Owners Warranty

Responsibilities

As the small off-road engine owner, you are responsible for

the performance of the required maintenance listed in this

owners manual. Shindaiwa Kogyo Co., Ltd. recommends that

you retain all receipts covering maintenance on your small off-

road engine, but Shindaiwa Kogyo Co., Ltd. cannot deny

warranty solely for the lack of receipts or for your failure to

ensure the performance of all scheduled maintenance.

As the small off-road engine owner, you should be aware,

however, that Shindaiwa Kogyo Co., Ltd. may deny you war-

ranty coverage if your small off-road engine or a part has failed

due to abuse, neglect, improper maintenance, or unapproved

modifications.

You are responsible for presenting your small off-road

engine to an authorized Shindaiwa Dealer as soon as a problem

exists. The warranty repairs should be completed in a reason-

able amount of time, not to exceed 30 days.

If you have any questions regarding your warranty rights and

responsibilities, you should contact a Shindaiwa customer

service representative at (503) 692-3070 or your local Shindaiwa

Dealer.

Consequential Damages

In the event that other component parts of this product are

damaged by the failure of a warranted part, Shindaiwa Kogyo

Co., Ltd. will repair or replace such component parts at no

charge to you.

What is Not Covered

■ Failures caused by abuse, neglect, or improper

maintenance procedures.

■ Failures caused by the use of modified or non-approved parts

or attachments.

This Warranty is Administered by:

Shindaiwa Inc.

11975 S.W. Herman Rd.

Tualatin, OR 97062

(503) 692-3070

Shindaiwa Inc.

11975 S.W. Herman Rd.

Tualatin, Oregon 97062

Telephone: 503 692-3070

Fax: 503 692-6696

www.shindaiwa.com

Shindaiwa Kogyo Co., Ltd.

Head Office: 6-2-11 Ozuka

Nishi, Asaminami-ku

Hiroshima, 731-3167, Japan

Telephone: 81-82-849-2220

Fax: 81-82-849-2481

䊚2003 Shindaiwa, Inc.

Part Number 80732

Revision 4/03

Printed in Japan

Shindaiwa Tornado is a trademark,

and Shindaiwa is a registered trademark

of Shindaiwa, Inc.

NOTES:

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Model: 80732

Category: Engine

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